The chairman of the residents' committee, obsessed with the irresponsible consumption of energy, visits his neighbour for a surprise inspection. He soon realises that behind the façade of this discreet woman there hides a cruel and heartless squandering of kilowatts. This is the start of a story packed with madcap dialogue that features tension, emotion, spicy humour and even a crime.
A newly-independent couple cannot work out why their flat is so cold and decide to call a technician. The former tenants are very much implicated.
How will a top cardiologist mend her broken heart in the wake of a failed relationship? She is clear about her symptoms: first, pain in the sternum and then an obsession that hijacks her brain as she goes over and over her most recent dates. Once she has made the diagnosis, will she believe in her speedy recovery? Perhaps the energy efficiency manager who works in her hospital will be able to revive her broken heart.
Beatriz is tired of enduring the bad habits of her husband Ignacio, and decides to put him in check. For this, he will carry out an experiment with the intention of saving his marriage and turning his home into a more efficient place.
